Improving guide handling #112

	# GitHub Action that uses Black to reformat the Python code in an incoming pull request.
	# If all Python code in the pull request is compliant with Black then this Action does nothing.
	# Othewrwise, Black is run and its changes are committed back to the incoming pull request.
	# https://github.com/cclauss/autoblack

	name: autoblack
	on: [pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.9
	uses: actions/setup-python@v3
	with:
	python-version: 3.9
	- name: Install click
	run: pip install 'click==8.0.4'
	- name: Install Black
	run: pip install 'black==22.3.0'
	- name: Run black --check .
	run: black --check .
	- name: If needed, commit black changes to the pull request
	if: failure()
	run: \|
	black .
	git config --global user.name 'autoblack'
	git config --global user.email '[email protected]'
	git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
	git checkout $GITHUB_HEAD_REF
	git commit -am "fixup: Format Python code with Black"
	git push

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